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authorZhang Rui <rui.zhang@intel.com>2009-04-14 11:02:18 +0800
committerLen Brown <len.brown@intel.com>2009-04-20 00:22:44 -0400
commit90af2cf6205bfc8def8c5a64c9134031d60b10fb (patch)
tree0561387d1104c8ba5d16c4b248541df3f24dea97 /drivers/acpi
parentd91dfbb41bb2e9bdbfbd2cc7078ed7436eab027a (diff)
ACPI video: fix an error when the brightness levels on AC and on Battery are same
when the brightness level on AC and brightness level on Battery are same, the level_ac_battery is 1 in the current code, which is wrong. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/video.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index cd4fb7543a9..21968ae6ed9 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -770,10 +770,12 @@ acpi_video_init_brightness(struct acpi_video_device *device)
* In this case, the first two elements in _BCL packages
* are also supported brightness levels that OS should take care of.
*/
- for (i = 2; i < count; i++)
- if (br->levels[i] == br->levels[0] ||
- br->levels[i] == br->levels[1])
+ for (i = 2; i < count; i++) {
+ if (br->levels[i] == br->levels[0])
level_ac_battery++;
+ if (br->levels[i] == br->levels[1])
+ level_ac_battery++;
+ }
if (level_ac_battery < 2) {
level_ac_battery = 2 - level_ac_battery;